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ÄÈÝËÅÊÒÐÈ×ÅÑÊÈÉ ÓÑÈËÈÒÅËÜ ÄÈÝËÅÊÒÐÈ×ÅÑÊÈÉ ÓÑÈËÈÒÅËÜ, ïðèìåíÿåòñÿ ïðåèìóùåñòâåííî äëÿ óñèëåíèÿ Í× ýëåêòðè÷åñêèõ êîëåáàíèé, íàïð., â óñòðîéñòâàõ àâòîìàòèêè. Îñíîâíûì óñèëèòåëüíûì ýëåìåíòîì äèýëåêòðè÷åñêîãî óñèëèòåëÿ ñëóæèò êîíäåíñàòîð ñ ñåãíåòîýëåêòðèêîì, åìêîñòü êîòîðîãî èçìåíÿåòñÿ ïðè èçìåíåíèè ïîäâîäèìîãî ê íåìó íàïðÿæåíèÿ.
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